Printing Process

The global spread of the printing press began with the invention of the printing press with movable type by Johannes Gutenberg in Mainz, Germany (circa 1439). Western printing technology was adopted in all world regions by the end of the 19th century, displacing the manuscript and block printing. In the Western world, the operation of a press became synonymous with the enterprise of publishing and lent its name to a new branch of media

In 1811, the new version of the printing press was introduced. A printing press is a mechanical device to print many copies of text on a medium such as paper or cloth. The machine applies pressure to an inked surface resting on the medium, thereby transferring an image. Invention of the printing press has been attributed to various people, including Laurens J. Coster of the Netherlands and Panfilo Castaldi of Italy, but most scholars credit Johannes Gutenberg, a German goldsmith, with its invention.

HP began making inkjet printers in 1984. In 1988, HP introduced the first DeskJet. This was followed by the DeskJet Plus in 1989. It offered a landscape printing ability. The DeskJet 500 was introduced in 1990, offering a faster printing speed of 3 ppm. Meanwhile, HP introduced the DeskWriter for the Macintosh in 1989, based on the DeskJet 500.

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